712979642 has 16 divisors (see below), whose sum is σ = 1076748552. Its totient is φ = 354070080.

The previous prime is 712979621. The next prime is 712979671. The reversal of 712979642 is 246979217.

It can be written as a sum of positive squares in 4 ways, for example, as 666207721 + 46771921 = 25811^2 + 6839^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303392 + ... + 305732.

Almost surely, 2^712979642 is an apocalyptic number.

712979642 is a deficient number, since it is larger than the sum of its proper divisors (363768910).

712979642 is a wasteful number, since it uses less digits than its factorization.

712979642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313.

The product of its digits is 381024, while the sum is 47.

The square root of 712979642 is about 26701.6786363704. The cubic root of 712979642 is about 893.3583681197.

The spelling of 712979642 in words is "seven hundred twelve million, nine hundred seventy-nine thousand, six hundred forty-two".